US7060371B2 - Mechanoluminescence material, producing method thereof, and usage thereof - Google Patents
Mechanoluminescence material, producing method thereof, and usage thereof Download PDFInfo
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- US7060371B2 US7060371B2 US10/301,814 US30181402A US7060371B2 US 7060371 B2 US7060371 B2 US 7060371B2 US 30181402 A US30181402 A US 30181402A US 7060371 B2 US7060371 B2 US 7060371B2
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K2/00—Non-electric light sources using luminescence; Light sources using electrochemiluminescence
- F21K2/04—Non-electric light sources using luminescence; Light sources using electrochemiluminescence using triboluminescence; using thermoluminescence
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/59—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing silicon
- C09K11/592—Chalcogenides
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/60—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing iron, cobalt or nickel
- C09K11/602—Chalcogenides
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/60—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing iron, cobalt or nickel
- C09K11/607—Silicates
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/64—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing aluminium
- C09K11/641—Chalcogenides
- C09K11/643—Chalcogenides with alkaline earth metals
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/64—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing aluminium
- C09K11/646—Silicates
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/67—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing refractory metals
- C09K11/671—Chalcogenides
- C09K11/673—Chalcogenides with alkaline earth metals
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/67—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing refractory metals
- C09K11/676—Aluminates; Silicates
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7701—Chalogenides
- C09K11/7703—Chalogenides with alkaline earth metals
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/917—Electroluminescent
Definitions
- the present invention relates to a so-called mechanoluminescence material that emits light by receiving mechanical force from outside, a producing method thereof, and usage thereof.
- ultraviolet ray irradiation, electron ray irradiation, X-ray irradiation, radioactive ray irradiation, application of an electric field, chemical reaction, and the like are performed as external stimulation bringing about the fluorescent phenomenon, but a material that emits light by receiving mechanical force from outside is not well known.
- the present inventors proposed the following two light-emitting materials.
- the one is a high intensity mechanoluminescence material (Japanese Unexamined Patent Publication No. 49251/2001 (Tokukai 2001-49251)(Publication date: Feb. 20, 2001)) made of (a) a material, constituted of at least one kind of aluminate having non-stoicheiometric composition, that includes lattice defect in which light is emitted when carriers excited by mechanical energy are restored to a normal state, or (b) a material whose mother body material includes at least one kind of a metal ion selected from a rare earth metal ion and a transition metal ion as a central ion of a luminescence center.
- the other is a light-emitting material (Japanese Unexamined Patent Publication No. 313878/2000 (Tokukai 2000-313878)(Publication date: Nov. 14, 2000)) whose mother body material is constituted of Y 2 SiO 5 , Ba 3 MgSi 2 O 8 , and BaSi 2 O 5 .
- these light-emitting materials are so insufficient in the luminous intensity that they cannot be put into practical usage.
- a material whose luminous intensity is higher has been required.
- the mechanoluminescence material of the present invention includes: a mother body material; and a luminescence center added to the mother body material, wherein:
- said mother body material is constituted of at least one kind of oxide selected from:
- alumino silicate having a structure indicated by a general formula (A) xM 1 O.yAl 2 O 3 .zSiO 2
- M 1 in the formula is Ca, Ba or Sr, and a part thereof may be replaced with at least one kind selected from Na, K, and Mg, and each of x, y, and z is 1 or more);
- aluminate having a structure indicated by a general formula (B) xM 3 O.y Al 2 O 3
- M 3 in the formula is Ca or Ba, and a part thereof may be replaced with either Mg or La, and each of x and y is 1 or more);
- silicate having a structure indicated by a general formula (C) xM 3 O.ySiO 2
- M 3 in the formula is Ca or Sr, and a part thereof may be replaced with at least one kind selected from Na, Mg, Zn, Be, Mn, Zr, Ce, and Nb, and each of x and y is 1 or more), or indicated by Ba 2 Mg SiO 7 ;
- tantalate or niobate having a structure indicated by a general formula (D) xM 4 O.yM 5 4 O 10
- M 4 in the formula is Ca, Ba or Sr, and M 5 is replaced with at least one kind selected from Ta and Nb, and each of x and y is 1 or more);
- gallium oxide having a structure indicated by a general formula (E) xM 6 O.yGa 2 O 3
- M 6 in the formula is Ca, Ba or Sr, and a part thereof may be replaced with La, and each of x and y is 1 or more);
- said luminescence center is at least one kind selected from a rare earth metal and a transition metal which emits light when electrons excited by mechanical energy are restored to a normal state.
- the mechanoluminescence material which functions as a novel high intensity mechanoluminescence material which emits light by receiving a mechanical force from outside such as a frictional force, a shearing force, an impulse force, a pressure, and a tensile force. Further, action of the mechanical force applied from outside can be directly converted into light so as to emit light, so that the mechanoluminescence material can be widely utilized as a completely novel optical element.
- FIG. 1 is a graph showing how light is emitted according to stress in a case where mechanical force is applied to a sample in the form of pellet described in Example 1.
- FIG. 2 is a graph showing how the luminescence intensity of the sample in the form of pellet described in Example 1 depends on stress.
- the mechanoluminescence material of the present invention is arranged so that a mother body material thereof includes a luminescence center.
- a mother body material an oxide selected from the aforementioned (A) through (E) groups and ZrO 2 is used. Note that, in a case where parts of M 1 to M 3 and M 6 shown in the aforementioned (A) through (C) and (E) groups are replaced with other elements described above, the replacement of the elements is performed so as to have a stoicheiometric composition corresponding to an atomic value thereof.
- Examples of alumino silicate, belonging to the aforementioned (A) group, that functions as the mother body material, include:
- the elements in parentheses can be partially or entirely replaced with each other. That is, as to the elements in parentheses of the aforementioned chemical formula, any one of the elements in parentheses may be used, or two or more elements may be used at an arbitrary rate.
- the alumino silicate may further include elements that are not included in a general formula xM 1 O.yAl 2 O 3 .zSiO 2 shown as the mother body material belonging to the aforementioned (A) group. That is, as shown by the foregoing chemical formula, the alumino silicate may include Fe, Ti, and the like as oxide.
- aluminate that functions as the mother body material belonging to the aforementioned (B) group include:
- silicate which functions as the mother body material belonging to the aforementioned (C) group include:
- examples of tantalate or niobate which functions as the mother body material belonging to the aforementioned (D) group include:
- the mother body materials are used as the mechanoluminescence material, it is possible to obtain particularly high luminescence intensity by using (Ca, Na) 2 (Al, Mg, Fe)(Si, Al) 2 O 7 , Ba 2 Al 2 SiO 7 , Ba 2 MgSi 2 O 7 , BaAl 2 Si 2 O 8 , BaAl 8 O 13 , Ca 2 (Mg, Al)(Al, Si)SiO 7 , Sr(Ta, Nb) 4 O 11 , Sr(Zn, Mn, Fe, Mg)Si 2 O 6 , Sr 2 (Mg, Al)(Al, Si)SiO 7 , Sr 2 Al 2 SiO 7 , Sr 2 MgSi 2 O 7 , Sr 2 Na 4 CeFeNb 2 Si 8 O 28 , SrMgSi 2 O 6 , and ZrO 2 .
- the mother body materials belong to a crystal group indicated by the following point group in terms of a crystal structure.
- the luminescence center added to the mother body material emits light when electrons excited by mechanical energy are restored to a normal state, and is constituted by combining (a) one kind or two or more kinds selected from the rare earth metal group with (b) one kind or two or more kinds selected from the transition metal group.
- the luminescence center is added to the mother body material, so that it is possible to obtain the mechanoluminescence material whose luminescence intensity is extremely improved.
- the rare earth metal group and the transition metal group are used to extremely improve the luminescence intensity of the mechanoluminescence material, so that it is preferable to use the rare earth metal group and the transition metal group whose first energy of ionization is not more than 8 eV, particularly not more than 6 eV.
- the rare earth metal group and the transition metal group have unstable electron shells of 3d, 4d, 5d, or 4f. That is, examples of the rare earth metal include Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, and the like. Further, examples of the transition metal include Ti, Zr, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Nb, Mo, Ta, W, and the like.
- transition metals of the foregoing transition metal group having an unstable 3d electron shell are Ti, V, Cr, Mn, Fe, Co, Ni, Cu, and the like. Further, preferable transition metals of the foregoing transition metal group having an unstable 4d electron shell are Nb and Mo. Preferable transition metals of the foregoing transition metal group having an unstable 5d electron shell are Ta and W. Meanwhile, preferable rare earth metals of the foregoing rare earth metal group having an unstable 4f electron shell are Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, and the like.
- a certain metal is selected from the rare earth metal group and the transition metal group as a preferable luminescence center, and which metal is preferable is determined depending on which mother body material is to be used. That is, the luminescence intensity and the most preferable luminescence center of the obtained mechanoluminescence material differ in accordance with combination of the mother body material and the luminescence center. Thus, it is preferable to select the luminescence center to be added in accordance with the mother body material to be used as required.
- Eu As the luminescence center in a case where Sr 2 Al 2 SiO 7 or Sr 2 MgSi 2 O 7 are used as the mother body material for example, and it is preferable to use Ti as the luminescence center in a case where ZrO 2 is used as the mother body material.
- the mechanoluminescence material of the present invention is produced by doping the rare earth metal and the transition metal each of which functions as the luminescence center on the aforementioned mother body material. Concretely, after mixing the mother body material and the rare earth metal and the transition metal each of which functions as the luminescence center, the resultant is sintered at a high temperature ranging from 600° C. to 1800° C. in a reduction atmosphere for at least 30 minutes, so that the mechanoluminescence material is obtained. If the sintering is performed after a flux such as boric acid has been added, the luminescence property of the obtained mechanoluminescence material is further improved.
- the rare earth metal and the transition metal on the mother body material by using the rare earth metal and the transition metal as simple substances, or by using a compound of the rare earth metal and a compound of the transition metal.
- the compound of the rare earth metal and the compound of the transition metal include: oxide, nitrate, and the like of the rare earth metal and the transition metal.
- an amount of the added rare earth metal and transition metal each of which functions as the luminescence center is set to be within 0.001 to 20 mass % with respect to the mother body material. This is based on the following reason: when the amount of the added luminescence center is less than 0.001 mass %, sufficient luminescence intensity cannot be obtained, and when the amount of the added luminescence center is more than 20 mass %, the crystal structure of the mother body material cannot be maintained, so that the luminescence efficiency declines. As a result, this is hard to use as the mechanoluminescence material.
- the mechanoluminescence material of the present invention emits light when it receives a mechanical force applied from outside.
- a mechanical force such as a frictional force, a shearing force, an impulse force, a pressure, and a tensile force.
- the luminescence intensity of the mechanoluminescence material depends on how the mechanical force which functions as an exciting source exerts influence, it is typical that: the more mechanical force is applied, the higher the luminescence intensity becomes. Thus, the luminescence intensity is measured, so that it is possible to know how much mechanical force is applied to the mechanoluminescence material. Thus, it is possible to detect, without touching the mechanoluminescence material, how much it is stressed, and it is also possible to visualize a condition under which it is stressed. Thus, the mechanoluminescence material is expected to be applied to a stress detector and other various fields.
- the mechanoluminescence material of the present invention is combined with other inorganic material or organic material except the mechanoluminescence material so as to constitute a composite material, and the mechanical force is applied from outside to the composite material, so that it is possible to cause the composite material to emit light.
- the mechanoluminescence material is mixed with or put into an organic material such as resin and plastic at an arbitrary ratio so as to constitute the composite material, and the mechanical force is applied from outside to the composite material, the mechanoluminescence material is deformed so as to emit light.
- glass and glass fiber may be used as the inorganic material in constituting the composite material so as to cause the mechanoluminescence material to emit light.
- a base material such as a heat-resisting base material may be used as other inorganic or organic material described above after providing the mechanoluminescence material thereon. That is, the mechanoluminescence material may be used as a coating film provided on a surface of the base material such as the heat-resisting base material.
- the composite material in which the mechanoluminescence material is used as the coating film provided on the surface of the heat-resisting base material, is referred to as a stacked material.
- the mechanical force is applied from outside to the stacked material, the mechanoluminescence material layer provided on the surface of the base material is deformed so as to emit light.
- the stacked material of the present invention it is possible to obtain light emission of a large area using a small quantity of the mechanoluminescence material.
- a material compound that can constitute a predetermined mother body material is dissolved in dissolvent. Further, at least one kind of the luminescence center selected from the rare earth metal and the transition metal is added to the resultant so as to prepare an embrocation. Then, the embrocation is applied to the surface of the base material. Thereafter, the base material to which the embrocation has been applied is sintered, so that it is possible to form the stacked material in which the mechanoluminescence material is provided on the surface of the base material as the coating film.
- examples of the material compound that can form the mother body material include: nitrate, halogenide, an alkoxy compound, and the like.
- the base material is the heat-resisting base material so as to sinter it upon providing the mechanoluminescence material on the surface thereof.
- the heat-resisting base material is not particularly limited, it is preferable to use the following materials for example: quartz; silicon; graphite; heat-resistance glass such as quartz glass and vycor glass; ceramics such as alumina, silicon nitride, silicon carbide, and molybdenum disilicide; a heat resisting steel such as a stainless steel; a heat resisting iron or a heat resisting alloy such as nickel, chromium, titanium, and molybdenum; cermet; cement; concrete; and the like.
- pellet sample a sample in the form of pellet
- FIG. 1 shows how the luminescence intensity brought about by the application of the mechanical force varies with time. Note that, the pellet sample emitted blue light so intensely that it could be perceived with an unaided eye.
- the pellet samples of the mechanoluminescence material having the mother body material and the luminescence center shown in Table 1 was prepared in the same manner as in Example 1, and the luminescence intensity (cps) of each pellet sample was measured. Table 1 shows results of the measurement.
- pellet samples As shown in Table 1, it was found that particularly high luminescence intensity was brought about by the following pellet samples: the pellet samples (sample No. 3 to 4) in which Ce or Eu was doped on Sr 2 Al 2 SiO 7 , and the samples (sample No. 6 to 8) in which Eu was doped on each of Ba 2 Al 2 SiO 7 , Sr 2 MgSi 2 O 7 , and Ba 2 MgSi 2 O 7 .
- the pellet samples of the mechanoluminescence material using the mother body material shown in Table 2 an using europium (Eu) as the luminescence center was prepared in the same manner as in Example 1, and the luminescence intensity (cps) of each pellet sample was measured. Table 2 shows results of the measurement.
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Abstract
Description
xM1O.yAl2O3.zSiO2
xM3O.y Al2O3
xM3O.ySiO2
xM4O.yM5 4O10
xM6O.yGa2O3
- (Ca, Na)(Mg, Fe, Al, Ti)(Si, Al)2O6,
- (Ca, Na)2(Al, Mg, Fe)(Si, Ai)2O7,
- (Ca, Na2)Al2Si4O12,
- (K2, Ca, Mg, Na2)2Al4Si14O36,
- (K2, Sr, Mg, Na2)2Al4Si14O36,
- (Na, Ca)Al(Al, Si)2SiO8,
- (Na, Sr)Al(Al, Si)2SiO8,
- (Sr, K2, Na2)Al4Si14O36,
- (Sr, Na)(Mg, Fe, Al, Ti)(Si, Al)2O6,
- (Sr, Na)2(Al, Mg, Fe)(Si, Al)2O7,
- Ba2(Mg, Al)(Al, Si)SiO7,
- Ba2Al2SiO7,
- BaAl2Si2O8,
- BaNaAlSi2O7,
- Ca2(Mg, Al)(Al, Si)SiO7,
- CaAl2SiO8,
- CaNa2Al4Si4O16,
- Sr2(Mg, Al)(Al, Si)SiO7,
- Sr2Al2SiO7,
- SrNa2Al4Si4O6, and the like.
- BaAl8O13,
- BaMgAl6O11,
- CaLaAl3O7,
- CaMgAl6O11, and the like.
- Ba(Zn, Mn, Fe, Mg)Si2O6,
- Ba2(Mg, Fe)Si2O7,
- Ba2BeSi2O7,
- Ba2MgSi2O7,
- Ca2BeSi2O7,
- CaMgSi2O6,
- CaMnSi2O6,
- CaZrSi2O,
- Sr(Zn, Mn, Fe, Mg)Si2O6,
- Sr2(Mg, Fe)Si2O7,
- Sr2B2SiO7,
- Sr2BeSi2O7,
- Sr2MgSi2O7,
- Sr2Na4CeFeNb2Si8O28,
- Sr3Si2O7,
- SrFeSi2O6,
- SrMgSi2O6, and the like. Note that, as to the elements in parentheses, the replacement can be performed as described above. Further, the silicate may further include elements that are not included in a general formula xM3O.ySiO2 shown as the mother body material belonging to the aforementioned (C) group. That is, as shown by the foregoing chemical formula, the silicate may include B, Fe, Ti, and the like as oxide.
- Sr(Ta, Nb)4O11.
Further, examples of the aforementioned (E) group include: - SrGa12O19, and
- SrLaGa3O7.
TABLE 1 | ||
SAMPLE | LUMINESCENCE | |
No. | COMPOSITION | INTENSITY (cps) |
1 | Ca La Al3 O7: Ce | 4912 |
2 | Ca La Al3 O7: Eu | 4376 |
3 | Sr2 Al2 SiO7: Ce | 28712 |
4 | Sr2 Al2 SiO7: Eu | 63116 |
5 | Ba2 Al2 SiO7: Ce | 321 |
6 | Ba2 Al2 SiO7: Eu | 43700 |
7 | Sr2 Mg Si2O7: Eu | 10000 |
8 | Ba2 Mg Si2O7: Eu | 10000 |
TABLE 2 | |||
LUMINESCENCE | |||
MOTHER BODY COMPOSITION | INTENSITY (cps) | ||
(Ca, Na)(Mg, Fe, Al, Ti)(Si, Al)2O6 | 874 | ||
(Ca, Na)2(Al, Mg, Fe)(Si, Al)2O7 | 12000 | ||
(Ca, Na2)Al2Si4O12 | 2490 | ||
(K2, Ca, Mg, Na2)2Al4Si14O36 | 256 | ||
(K2, Sr, Mg, Na2)2Al4Si14O36 | 237 | ||
(Na, Ca)Al(Al, Si)2SiO8 | 250 | ||
(Na, Sr)Al(Al, Si)2SiO8 | 1200 | ||
(Sr, K2, Na2)Al4Si14O36 | 211 | ||
(Sr, Na)(Mg, Fe, Al, Ti)(Si, Al)2O6 | 270 | ||
(Sr, Na)2(Al, Mg, Fe)(Si, Al)2O7 | 221 | ||
Ba2(Mg, Al)(Al, Si)SiO7 | 2356 | ||
BaAl2Si2O8 | 11600 | ||
BaNaAlSi2O7 | 120 | ||
Ca2(Mg, Al)(Al, Si)SiO7 | 10000 | ||
CaAl2SiO8 | 3116 | ||
CaNa2Al4Si4O16 | 126 | ||
Sr2(Mg, Al)(Al, Si)SiO7 | 28501 | ||
SrNa2Al4Si4O16 | 1564 | ||
BaAl8O13 | 31320 | ||
BaMgAl6O11 | 134 | ||
CaMgAl6O11 | 141 | ||
Ba(Zn, Mn, Fe, Mg)Si2O6 | 1256 | ||
Ba2(Mg, Fe)Si2O7 | 122 | ||
Ba2BeSi2O7 | 134 | ||
Ca2BeSi2O7 | 110 | ||
CaMgSi2O6 | 341 | ||
CaMnSi2O6 | 257 | ||
CaZrSi2O7 | 1426 | ||
Sr(Zn, Mn, Fe, Mg)Si2O6 | 77440 | ||
Sr2(Mg, Fe)Si2O7 | 6300 | ||
Sr2B2SiO7 | 1500 | ||
Sr2BeSi2O7 | 2851 | ||
Sr2MgSi2O7 | 10000 | ||
Sr2Na4CeFeNb2Si8O28 | 14500 | ||
Sr3Si2O7 | 158 | ||
SrFeSi2O6 | 411 | ||
SrMgSi2O6 | 21408 | ||
Sr(Ta, Nb)4O11 | 21408 | ||
SrGa12O19 | 128 | ||
SrLaGa3O7 | 788 | ||
ZrO2 | 16280 | ||
Claims (4)
xM2O.yAl2O3
Ba2MgSiO7;
xM4O.yM5 4O10
xM6O.yGa2O3
xM1O.yAl2O3.zSiO2
xM3O.ySiO2
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JP2001367297A JP3837488B2 (en) | 2001-11-30 | 2001-11-30 | Mechanoluminescence material |
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Cited By (32)
Publication number | Priority date | Publication date | Assignee | Title |
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Also Published As
Publication number | Publication date |
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EP1318184A1 (en) | 2003-06-11 |
JP3837488B2 (en) | 2006-10-25 |
US20030124383A1 (en) | 2003-07-03 |
JP2003165973A (en) | 2003-06-10 |
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